DEV: Address composer mobile positioning issues

This commit is contained in:
Penar Musaraj 2024-12-12 06:33:26 -05:00
parent 7f72e602a9
commit f67f4b6dfc
11 changed files with 77 additions and 196 deletions

View File

@ -3,7 +3,6 @@ import { cancel, schedule, throttle } from "@ember/runloop";
import { classNameBindings } from "@ember-decorators/component";
import { observes } from "@ember-decorators/object";
import { headerOffset } from "discourse/lib/offset-calculator";
import positioningWorkaround from "discourse/lib/safari-hacks";
import { isiPad } from "discourse/lib/utilities";
import Composer from "discourse/models/composer";
import discourseDebounce from "discourse-common/lib/debounce";
@ -68,13 +67,6 @@ export default class ComposerBody extends Component {
}, 1000);
}
@observes("composeState")
disableFullscreen() {
if (this.composeState !== Composer.OPEN && positioningWorkaround.blur) {
positioningWorkaround.blur();
}
}
setupComposerResizeEvents() {
this.origComposerSize = 0;
this.lastMousePos = 0;
@ -184,8 +176,6 @@ export default class ComposerBody extends Component {
triggerOpen();
}
});
positioningWorkaround(this.element);
}
willDestroyElement() {

View File

@ -1,12 +1,12 @@
import Component from "@glimmer/component";
import { cancel, scheduleOnce } from "@ember/runloop";
import { service } from "@ember/service";
import { clearAllBodyScrollLocks } from "discourse/lib/body-scroll-lock";
import { clearAllBodyScrollLocks, disableBodyScroll } from "discourse/lib/body-scroll-lock";
import isZoomed from "discourse/lib/zoom-check";
import discourseDebounce from "discourse-common/lib/debounce";
import { bind } from "discourse-common/utils/decorators";
const KEYBOARD_DETECT_THRESHOLD = 150;
const FF_KEYBOARD_DETECT_THRESHOLD = 150;
export default class DVirtualHeight extends Component {
@service site;
@ -95,6 +95,7 @@ export default class DVirtualHeight extends Component {
@bind
onViewportResize() {
this.setVH();
const docEl = document.documentElement;
let keyboardVisible = false;
if ("virtualKeyboard" in navigator) {
@ -106,7 +107,7 @@ export default class DVirtualHeight extends Component {
Math.abs(
this.windowInnerHeight -
Math.min(window.innerHeight, window.visualViewport.height)
) > KEYBOARD_DETECT_THRESHOLD
) > FF_KEYBOARD_DETECT_THRESHOLD
) {
keyboardVisible = true;
}
@ -121,7 +122,7 @@ export default class DVirtualHeight extends Component {
// adds bottom padding when using a hardware keyboard and the accessory bar is visible
// accessory bar height is 55px, using 75 allows a small buffer
if (this.capabilities.isIpadOS) {
document.documentElement.style.setProperty(
docEl.style.setProperty(
"--composer-ipad-padding",
`${viewportWindowDiff < 75 ? viewportWindowDiff : 0}px`
);
@ -130,11 +131,20 @@ export default class DVirtualHeight extends Component {
this.appEvents.trigger("keyboard-visibility-change", keyboardVisible);
keyboardVisible
? document.documentElement.classList.add("keyboard-visible")
: document.documentElement.classList.remove("keyboard-visible");
if (keyboardVisible) {
docEl.classList.add("keyboard-visible");
// disable body scroll in mobile composer
// we have to do this because we're positioning the composer with
// position: fixed and top: 0 and scrolling would move the composer halfway out of the viewport
// we can't use bottom: 0, it is very unreliable with keyboard visible
if (docEl.classList.contains("composer-open")) {
disableBodyScroll(document.querySelector("#reply-control"));
}
}
if (!keyboardVisible) {
docEl.classList.remove("keyboard-visible");
clearAllBodyScrollLocks();
}
}

View File

@ -2,7 +2,6 @@ import { schedule, scheduleOnce } from "@ember/runloop";
import { service } from "@ember/service";
import MountWidget from "discourse/components/mount-widget";
import offsetCalculator from "discourse/lib/offset-calculator";
import { isWorkaroundActive } from "discourse/lib/safari-hacks";
import DiscourseURL from "discourse/lib/url";
import { cloak, uncloak } from "discourse/widgets/post-stream";
import discourseDebounce from "discourse-common/lib/debounce";
@ -64,11 +63,7 @@ export default class ScrollingPostStream extends MountWidget {
return;
}
if (
isWorkaroundActive() ||
document.webkitFullscreenElement ||
document.fullscreenElement
) {
if (document.webkitFullscreenElement || document.fullscreenElement) {
return;
}

View File

@ -3,17 +3,12 @@ import { action } from "@ember/object";
import { alias } from "@ember/object/computed";
import { scheduleOnce } from "@ember/runloop";
import { classNameBindings } from "@ember-decorators/component";
import { isTesting } from "discourse-common/config/environment";
import discourseLater from "discourse-common/lib/later";
import discourseComputed, { bind } from "discourse-common/utils/decorators";
import discourseComputed from "discourse-common/utils/decorators";
const CSS_TRANSITION_DELAY = isTesting() ? 0 : 500;
@classNameBindings("docked", "withTransitions")
@classNameBindings("docked")
export default class TopicProgress extends Component {
elementId = "topic-progress-wrapper";
docked = false;
withTransitions = null;
progressPosition = null;
@alias("topic.postStream") postStream;
@ -70,106 +65,20 @@ export default class TopicProgress extends Component {
didInsertElement() {
super.didInsertElement(...arguments);
this.appEvents
.on("composer:resized", this, this._composerEvent)
.on("topic:current-post-scrolled", this, this._topicScrolled);
this.appEvents.on("topic:current-post-scrolled", this, this._topicScrolled);
if (this.prevEvent) {
scheduleOnce("afterRender", this, this._topicScrolled, this.prevEvent);
}
scheduleOnce("afterRender", this, this._startObserver);
// start CSS transitions a tiny bit later
// to avoid jumpiness on initial topic load
discourseLater(this._addCssTransitions, CSS_TRANSITION_DELAY);
}
willDestroyElement() {
super.willDestroyElement(...arguments);
this._topicBottomObserver?.disconnect();
this.appEvents
.off("composer:resized", this, this._composerEvent)
.off("topic:current-post-scrolled", this, this._topicScrolled);
}
@bind
_addCssTransitions() {
if (this.isDestroying || this.isDestroyed) {
return;
}
this.set("withTransitions", true);
}
_startObserver() {
if ("IntersectionObserver" in window) {
this._topicBottomObserver = this._setupObserver();
this._topicBottomObserver.observe(
document.querySelector("#topic-bottom")
);
}
}
_setupObserver() {
// minimum 50px here ensures element is not docked when
// scrolling down quickly, it causes post stream refresh loop
// on Android
const bottomIntersectionMargin =
document.querySelector("#reply-control")?.clientHeight || 50;
return new IntersectionObserver(this._intersectionHandler, {
threshold: 1,
rootMargin: `0px 0px -${bottomIntersectionMargin}px 0px`,
});
}
_composerEvent() {
// reinitializing needed to account for composer height
// might be no longer necessary if IntersectionObserver API supports dynamic rootMargin
// see https://github.com/w3c/IntersectionObserver/issues/428
if ("IntersectionObserver" in window) {
this._topicBottomObserver?.disconnect();
this._startObserver();
}
}
@bind
_intersectionHandler(entries) {
if (!this.element || this.isDestroying || this.isDestroyed) {
return;
}
const composerH =
document.querySelector("#reply-control")?.clientHeight || 0;
// on desktop, pin this element to the composer
// otherwise the grid layout will change too much when toggling the composer
// and jitter when the viewport is near the topic bottom
if (this.site.desktopView && composerH) {
this.set("docked", false);
this.element.style.setProperty("bottom", `${composerH}px`);
return;
}
if (entries[0].isIntersecting === true) {
this.set("docked", true);
this.element.style.removeProperty("bottom");
} else {
if (entries[0].boundingClientRect.top > 0) {
this.set("docked", false);
if (composerH === 0) {
const filteredPostsHeight =
document.querySelector(".posts-filtered-notice")?.clientHeight || 0;
filteredPostsHeight === 0
? this.element.style.removeProperty("bottom")
: this.element.style.setProperty(
"bottom",
`${filteredPostsHeight}px`
);
} else {
this.element.style.setProperty("bottom", `${composerH}px`);
}
}
}
this.appEvents.off(
"topic:current-post-scrolled",
this,
this._topicScrolled
);
}
click(e) {

View File

@ -1,14 +1,5 @@
import positioningWorkaround from "discourse/lib/safari-hacks";
import { helperContext } from "discourse-common/lib/helpers";
export default function (element) {
const caps = helperContext().capabilities;
if (caps.isApple && positioningWorkaround.touchstartEvent) {
positioningWorkaround.touchstartEvent(element);
} else {
element.focus();
}
element.focus();
const len = element.value.length;
element.setSelectionRange(len, len);

View File

@ -1,9 +1,10 @@
html.composer-open {
html.composer-open.not-mobile-device {
#main-outlet {
padding-bottom: var(--composer-height);
transition: padding-bottom 250ms ease;
}
}
#reply-control {
position: fixed;
display: flex;
@ -71,10 +72,6 @@ html.composer-open {
height: var(--composer-height);
}
&.closed {
height: 0 !important;
}
&.draft,
&.saving {
height: 40px !important;
@ -613,36 +610,6 @@ div.ac-wrap {
}
}
body.ios-safari-composer-hacks {
#main-outlet,
header,
.grippie,
html:not(.fullscreen-composer) & .toggle-fullscreen {
display: none;
}
#reply-control {
top: 0px;
&.open {
height: calc(var(--composer-vh, 1vh) * 100);
}
}
}
body:not(.ios-safari-composer-hacks) {
#reply-control.open {
--min-height: 255px;
min-height: var(--min-height);
max-height: calc(100vh - var(--header-offset, 4em));
&.composer-action-reply {
// we can let the reply composer get a little shorter
min-height: calc(var(--min-height) - 4em);
}
padding-bottom: var(--composer-ipad-padding);
box-sizing: border-box;
}
}
.toggle-preview {
margin-left: auto;
transition: all 0.33s ease-out;
@ -659,3 +626,28 @@ body:not(.ios-safari-composer-hacks) {
.draft-error {
color: var(--danger);
}
@keyframes blink_input_opacity_to_prevent_scrolling_when_focus {
0% {
opacity: 0;
}
100% {
opacity: 1;
}
}
// When an element (input, textearea) gets focus, iOS Safari tries to put it in the center
// by scrolling and zooming. We handle zooming with a meta tag. We used to handle scrolling
// using a complicated JS hack.
//
// However, iOS Safari doesn't scroll when the input has opacity of 0 or is clipped.
// We use this quirk and temporarily hide the element on scroll and quickly show it again
//
// Source https://gist.github.com/kiding/72721a0553fa93198ae2bb6eefaa3299
.ios-device #reply-control {
input:focus,
textarea:focus {
animation: blink_input_opacity_to_prevent_scrolling_when_focus 0.01s;
}
}

View File

@ -16,10 +16,6 @@
position: relative;
}
html.keyboard-visible body.ios-safari-composer-hacks & {
height: calc(var(--composer-vh, 1vh) * 100);
}
&__container {
display: flex;
flex-direction: column;

View File

@ -41,20 +41,12 @@
}
#topic-progress-wrapper {
position: fixed;
&.docked {
position: initial;
.toggle-admin-menu {
display: none;
}
}
bottom: 0;
html:not(.footer-nav-visible) & {
bottom: env(safe-area-inset-bottom);
}
right: 10px;
z-index: z("timeline");
display: flex;
@ -67,14 +59,6 @@
border: 0;
}
&.with-transitions {
transition: bottom 0.2s, margin-bottom 0.2s;
#topic-progress .bg {
transition: width 0.5s;
}
}
&:not(.docked) {
@media screen and (min-width: $reply-area-max-width) {
right: calc(50%); // right side of composer

View File

@ -117,6 +117,12 @@
}
}
.with-topic-progress {
position: sticky;
bottom: 0px;
z-index: z("timeline");
}
.topic-status-info,
.topic-timer-info {
border-top: 1px solid var(--primary-low);

View File

@ -19,9 +19,10 @@ html.footer-nav-visible {
padding-bottom: 0px;
}
#topic-progress-wrapper:not(.docked) {
margin-bottom: calc(var(--footer-nav-height) + env(safe-area-inset-bottom));
.with-topic-progress {
bottom: var(--footer-nav-height);
}
.posts-filtered-notice {
transition: all linear 0.1s;
bottom: calc(var(--footer-nav-height) + env(safe-area-inset-bottom));

View File

@ -7,7 +7,16 @@
}
#reply-control {
z-index: z("mobile-composer");
// We override values set in base/compose.scss so that on mobile, the composer is top-anchored.
// This is not ideal, but it is much better than bottom-anchoring.
// Mobile browsers (especially Safari and Firefox/Android) do not handle well
// a bottom/fixed-positioned element, especially while the software keyboard is visible.
top: 0;
// With height and z-index: -1, the composer jitters a lot less
height: 100%;
z-index: -1;
max-height: unset;
min-height: unset;
.reply-area {
padding: 6px;
@ -16,15 +25,12 @@
}
&.open {
height: 250px;
&.edit-title {
height: 100%;
}
display: flex;
z-index: z("mobile-composer");
height: calc(var(--composer-vh, 1vh) * 100);
}
.keyboard-visible &.open {
top: 0px;
height: calc(var(--composer-vh, 1vh) * 100);
.reply-area {
padding-bottom: 6px;
}
@ -64,6 +70,7 @@
}
&.draft {
top: calc(100% - 40px);
z-index: z("footer-nav") + 1;
padding-bottom: env(safe-area-inset-bottom);